First record of OSL‐dated fluvial sands in a tropical Andean cave reveals rapid late Quaternary tectonic uplift

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dc.contributor.authorBaby, Patrice
dc.contributor.authorViveen, Willem
dc.contributor.authorSanjurjo‐Sanchez, Jorge
dc.contributor.authorBigot, Jean‐Yves
dc.contributor.authorDosseto, Antony
dc.contributor.authorVillegas Lanza, Juan Carlos
dc.contributor.authorApaéstegui Campos, James Emiliano
dc.contributor.authorGuyot, Jean‐Loup
dc.date.accessioned2021-02-18T15:00:08Z
dc.date.available2021-02-18T15:00:08Z
dc.date.issued2021-06
dc.description.abstractWe present the first results of OSL‐dated fluvial sands extracted from a riverside cave in the tropical Andes. The excellent agreement between the ages of the various samples allowed the calculation of a late Quaternary valley incision rate forced by ongoing uplift of an active Subandean fault‐propagation fold in NE Peru. A structural cross‐section was constructed to understand the relationship between the geometry of the fault‐propagation fold, historical damaging earthquakes and the cave system. The calculated uplift rate is 2.3 to 2.6 mm a⁻¹ over the past 70 ka and can be directly linked to active propagation of west‐verging basement thrusts. It is similar to uplift rates calculated from fluvial terraces in the Subandes of Colombia and Venezuela. The results will help to better assess the seismic hazard and confirm that OSL dating of fluvial sands in caves is a powerful tool to quantify uplift rates of active mountain fronts.es_ES
dc.description.peer-reviewPor pareses_ES
dc.formatapplication/pdfes_ES
dc.identifier.citationBaby, P., Viveen, W., Sanjurjo‐Sanchez, J., Bigot, J.-Y., Dosseto, A., Villegas‐Lanza, J. C., ... & Guyot, J.-L. (2021). First record of OSL‐dated fluvial sands in a tropical Andean cave reveals rapid late Quaternary tectonic uplift.==$Terra Nova, 33$==(3), 262-273. https://doi.org/10.1111/ter.12512es_ES
dc.identifier.doihttps://doi.org/10.1111/ter.12512es_ES
dc.identifier.govdocindex-oti2018
dc.identifier.journalTerra Novaes_ES
dc.identifier.urihttp://hdl.handle.net/20.500.12816/4924
dc.language.isoenges_ES
dc.publisherWileyes_ES
dc.relation.ispartofurn:issn:1365-3121
dc.rightsinfo:eu-repo/semantics/closedAccesses_ES
dc.subjectTectonic upliftes_ES
dc.subjectAndean cavees_ES
dc.subjectOSL-dated fluvial sandses_ES
dc.subject.ocdehttps://purl.org/pe-repo/ocde/ford#1.05.00es_ES
dc.titleFirst record of OSL‐dated fluvial sands in a tropical Andean cave reveals rapid late Quaternary tectonic upliftes_ES
dc.typeinfo:eu-repo/semantics/articlees_ES

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